I'm looking for a large 3D printer that have build volume of at least 300X300X300.

1. Box-like frame
2. All metal direct-feed extruder
3. Enclosed
4. Can print ABS

I was looking at Creality Ender 5 Plus but it doesn't have all metal direct-feed extruder and isn't enclosed.

Any suggestions? I'm in USA and I prefer to buy 3D printer from Amazon. No more than $1000.